gf_mo_set_position  171 include/gpac/mediaobject.h Bool gf_mo_set_position(GF_MediaObject *mo, GF_Window *src, GF_Window *dst);
gf_mo_set_position  523 src/compositor/visual_manager_2d_draw.c 			if (txh->stream && gf_mo_set_position(txh->stream, &src, &dst)) {